package com.eplatform.common.utils;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Date;

public class JzUtils {

	public static String SHA1(String decript) {
		try {
			MessageDigest digest = java.security.MessageDigest
					.getInstance("SHA-1");
			digest.update(decript.getBytes());
			byte messageDigest[] = digest.digest();
			// Create Hex String
			StringBuffer hexString = new StringBuffer();
			// 字节数组转换为 十六进制 数
			for (int i = 0; i < messageDigest.length; i++) {
				String shaHex = Integer.toHexString(messageDigest[i] & 0xFF);
				if (shaHex.length() < 2) {
					hexString.append(0);
				}
				hexString.append(shaHex);
			}
			return hexString.toString();

		} catch (NoSuchAlgorithmException e) {
			e.printStackTrace();
		}
		return "";
	}
	public static String MD5(String input) {
		try {
			// 获得MD5摘要算法的 MessageDigest 对象
			MessageDigest mdInst = MessageDigest.getInstance("MD5");
			// 使用指定的字节更新摘要
			mdInst.update(input.getBytes());
			// 获得密文
			byte[] md = mdInst.digest();
			// 把密文转换成十六进制的字符串形式
			StringBuffer hexString = new StringBuffer();
			// 字节数组转换为 十六进制 数
			for (int i = 0; i < md.length; i++) {
				String shaHex = Integer.toHexString(md[i] & 0xFF);
				if (shaHex.length() < 2) {
					hexString.append(0);
				}
				hexString.append(shaHex);
			}
			return hexString.toString();
		} catch (NoSuchAlgorithmException e) {
			e.printStackTrace();
		}
		return "";
	}
	public static String salt(String str){
		String shuffle=JzUtils.MD5(str+new Date().getTime());
		return StringUtils.shuffle(shuffle).substring(0, 6);
	}
	public static String bs_encrypt(String str, String salt){
		String ensalt=JzUtils.SHA1(str+salt);
		return JzUtils.MD5(ensalt+salt);
	}
	public static void main(String[] str){
		String pwd=JzUtils.bs_encrypt("123456","94b512");
		System.out.println(pwd);
		
	}
}
